/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Searches all nodes in a Blueprint and checks for a matching Guid
Returns a Node with a matching Guid
static [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * GetNodeByGUID ( const [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * InBlueprint, const [FGuid](API\Runtime\Core\Misc\FGuid) & InNodeGuid )